ATN Night Shadow-3 Binocular Gen 3 64 lp/mm with built-in exclusive "Smart" Technology is a highly professional device. Unit has state of the art automatic On/Off feature - Proximity sensor turns binoculars ON when brought into the viewing position; 5x magnification with a built in long range IR Illuminator excellent choice for camping, boating, nature study, or law enforcement; all digital adjustments - auto brightness and gain control, bright light protection. Specialized multicoated optics provide extreme clarity in low-light situations. Unit can be converted into 10x binocular with optional ATN Doubler (not included). Requires two 3V lithium batteris, CR123A. included. ATN Corp manufactures and distributed the widest array of Night Vision and high quality optics in the world. We are a sales and market leader in the US. Unsurpassed customer service on both our website and 800#, our technicians are the most knowledgeable in the world.